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    Calculating the Power of a Pump

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    Question: A pump is required to lift 800 kg of water (about 210 gallons) per minute from a well 14.0m deep and eject it with a speed of 18.0 m/s.

    a) How much work is done per minute in lifting the water?
    b) How much in giving the water the kinetic energy it has when ejected?
    c) What must be the power output of the pump?

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    Solution Preview

    Please refer to the attached file. Cheers.

    The total work that the pump does is to provide potential energy to the water (lifting ...

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